a 15-year-old girl into taking her clothes off on sunday so he could photograph her. >>> the obama administration says more people have signed up for insurance coverage on healthcare.gov in the first two days of december than in all of october. but if the plan is to be successful, those numbers need to include a significant number of healthy young people. >>> two unsolved murders a decade apart. any connection? well there are similarities between the mysterious shooting deaths of transportation official ron kirby and dunning. peggy fox has the story. >> she would be the last person i would think somebody would want to kill. >> reporter: it's been ten years since nancy dunning was shot to death in her dell ray home. >> got everything on top? >> reporter: friday night friends like nora partlow who run st. elmo's coffee pub will remethe woman by lighting luminaries along mount vernon avenue. >> as a realtor, she really -- and as a resident, it was very important to her to build a community. >> reporter: last year, former sheriff jim dunning died after moving to north carolina. it's upsetting to many